jQuery Plugin Skeleton (http://web.napopa.com/)

gistfile1.js

// Ensure private scope + aliases
(function ( $, window, undefined )
{

 // constants
 var TRUE = true, FALSE = true, NULL = null,

 // Set the plugin name
 name = 'myPluginName',

 // Plugin parts
 Core, API, Helper,

 // default options
 defaultOptions = {
   globalEvents : []
 };

 /***************************************************************************
 * Private methods
 **************************************************************************/
 Core = {
   // don't let the name variable cause any conflicts
   pluginName : name,
   options : null,
   eventHandlers: {
//    'click': function (e) {},
//     ...
   },
 

 /**
 * 
 * @param options 
 * @returns jQuery The original collection
 */
   _init : function ( options )
   {
     // take user options in consideration
     Core.options = $.extend( true, defaultOptions, options );
     // if you are using nested options
     // options = $.extend( TRUE, defaults, options );

     // YOUR PLUGIN INITIALISATION LOGIC HERE

     return this.each( function ()
     {
       var $el = $(this);
       Core._bind( $el );
       // Loop through elements
     } );
   },
 
 /**
 * 
 * @param $el jQuery element onto which to bind all defined events in Core.eventHandlers
 */
   _bind: function($el) {
     $el.bind(Core.eventHandlers);
   },

 /**
 * @param {String} [eventName] The name of the event which will be
 *            triggered. An event namespace (equal to the plugin name)
 *            is automatically added
 * @param {Array|null|undefined} [data] The event data to be passed
 * @param {jQuery} [$el] DOM element to trigger event onto
 */
   _trigger : function ( eventName, data, $el )
   {
     var isGlobal = $.inArray( eventName, Core.options.globalEvents ) >= 0, eventName = eventName + '.' +  Core.pluginName;

     if ( !isGlobal )
     {
       $el.trigger( eventName, data );
     }
     else
     {
       $.event.trigger( eventName, data );
     }
   }
   // YOUR PLUGIN PRIVATE LOGIC HERE

 };

 /***************************************************************************
 * Public methods
 **************************************************************************/
 API = {
 // YOUR PLUGIN PUBLIC LOGIC HERE
 };

 /***************************************************************************
 * Static methods
**************************************************************************/
 // var pluginPrototype = $.fn[name];
 // pluginPrototype.methodName = Core.methodName;

/***************************************************************************
 * Helpers (general purpose private methods)
**************************************************************************/
 Helper = {

 };

/***************************************************************************
 * Plugin installation
**************************************************************************/
 $.fn[ name ] = function ( userInput )
 {
   // check if such method exists
   if ( $.type( userInput ) === "string" && API[ userInput ] )
   {
     return API[ userInput ].apply( this, Array.prototype.slice.call( arguments, 1 ) );
   }
   // initialise otherwise
   else if ( $.type( userInput ) === "object" || !userInput )
   {
     return Core._init.apply( this, arguments );
   }
   else
   {
     $.error( 'You cannot invoke ' + name + ' jQuery plugin with the arguments: ' + userInput );
   }

 };
})( jQuery, window );